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教程三用BizTalk 处理票据和付账
场景
继续教程二的场景,之前我们只是把发给供货商的货单CommonPO发到一个文件夹里，并没有真正发出去，现在我们要把货单发送出去。
3. BizTalk 把 CommonPO(图中的Purchase order) 发给供货商
4. BizTalk 同时给仓库发一个确认消息，表明购货单已经发出去
5. 供货商发货，然后把货单(Andvanc ship notice)和收款单(invoice)发给BizTalk
6. BizTalk 在收到货物后，把货款通过银行或者第三发支付发给供货商(并未在这里实现)，然后把汇款凭证(Payment voucher)发给供货商
7. 供货商收到钱后，给BizTalk 发一个确认消息(发票 Payment Acknoledgement: ACK)。
8. BizTalk 把发票发给ERP系统，整个流程结束。

第1课设计发票和如何付账的流程
打开教程二创建的 B2BSolution
1. 添加发票和付款组件
打开B2BOrchestration里的B2BProcess.odx , 紧接着Route_PO后面添加相关组件:

名字从上到下分别为: Receive_ASN; Receive_Invoice; Construct_PaymentVoucher;Send_Payment; Receive_PaymentAck; Send_PaymentAck.
注：ASN：AdvancedShipNotice
2. 创建发票和款项消息实例
添加4个消息实例信息如下:

Message identifier	Message type	Referenced assembly
CommonInvoice_Instance	Schemas	B2BSchemas.CommonInvoice
ASN_Instance	Schemas	B2BSchemas.AdvancedShipNotice
PaymentVoucher_Instance	Web Message	B2BSchemas.ProcessPayment_request
PaymentAck_Instance	Web Message	B2BSchemas.ProcessPayment_response

3. 创建付款凭证消息
把Construct_PaymentVoucher 的Message Constructed属性设置为PaymentVoucher_Instance. 双击Transform2 选择B2BSchemas.InvoiceToPayment map. 设置Source 为CommonInvoice_Instance.设置Destination为：PaymentVoucher_Instance.Pay_xml
4. 创建，配置，连接端口

添加4个逻辑端口:根据下面4个表格设置相应端口

Property	Value
Port Name	ReceiveASN_Port
Port Type Name	ReceiveASN_Type
Communication Pattern	One-Way
Access Restrictions	Public - no limit
Port direction of communication	I'll always be receiving messages on this port
Port binding	Specify later

Property	Value
Port Name	ReceiveInvoice_Port
Port Type Name	ReceiveInvoice_Type
Communication Pattern	One-Way
Access Restrictions	Public - no limit
Port direction of communication	I'll always be receiving messages on this port
Port binding	Specify later

Property	Value
Port Name	RR_Payment_Port
Port Type Name	RR_Payment_Type
Communication Pattern	Request-Response
Access Restrictions	Public - no limit
Port direction of communication	I'll be sending a request and receiving a response.
Port binding	Specify later

Property	Value
Port Name	SendPaymentAck_Port
Port Type Name	SendPaymentAck_Type
Communication Pattern	One-Way
Access Restrictions	Internal - limited to this project
Port direction of communication	I'll always be sending messages on this port
Port binding	Specify later

配置消息类型:

Action shape	Message
Receive_Invoice	CommonInvoice_Instance
Send_Payment	PaymentVoucher_Instance
Receive_PaymentAck	PaymentAck_Instance
SendPaymentAck	PaymentAck_Instance
Receive_ASN	ASN_Instance

连接到端口

Port	Action shape
ReceiveInvoice_Port	Receive_Invoice
RR_Payment_Port ->Request	Send_Payment
RR_Payment_Port ->Response	Receive_PaymentAck
SendPaymentAck_Port	SendPaymentAck
ReceiveASN_Port	Receive_ASN